More evidence that Iowa is now a two-man race—and that the Newt Gingrich bubble has definitively burst. Mitt Romney and Ron Paul are neck and neck, with Romney getting 23 percent of the likely caucusgoers and Paul getting 21 percent. Rick Santorum follows with 15 percent, Rick Perry with 14 percent, and Gingrich comes in fifth with 13 percent. The leveled field partly comes from a splintering of the Tea Party vote: Santorum gets 20 percent of their vote, Romney and Paul 17 percent, and Gingrich 16 percent.
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